HELP needed! RAID group unmounted.

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VasAn2020
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Posts: 2
Joined: Mon Aug 10, 2020 6:51 pm

HELP needed! RAID group unmounted.

Post by VasAn2020 »

Hello everyone,
After migrating 4 drives containing two single discs and one RAID0 group containing 2 discs from qnap NAS TS431 to new NAS TS431K everything went okay, all discs and RAID0 group showed in new NAS, but after a few days it unmounted, and now shows as RAID group 2 Unmounted.
And I can not mount it back. All discs are healthy.
I have a basic knowledge of mdadm. But don't know exact commands to get more info on this problem.
Any tips are welcome.
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Last edited by VasAn2020 on Tue Jun 08, 2021 12:04 am, edited 1 time in total.
elvisimprsntr

Re: HELP needed! RAID group unmounted.

Post by elvisimprsntr »

You have backups, right?
VasAn2020
New here
Posts: 2
Joined: Mon Aug 10, 2020 6:51 pm

Re: HELP needed! RAID group unmounted.

Post by VasAn2020 »

Yes, backup is not an issue. I just wanted to know why would this happened and if I can safely mount it back without using a back up.
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